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Evaluating two new Schiff bases synthesized on the inhibition of corrosion of copper in NaCl solutions

机译:评估两种新的Schiff碱基在NaCl溶液中抑制铜腐蚀的抑制作用

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摘要

Two kinds of new Schiff base derivatives, 2-((4-(4-(dimethylamino)styryl)phenylimino)methyl) (DSM) and its intermediate 4-(4-aminostyryl)-N,N-dimethylaniline (AND), form self-assembled monolayers (SAMs) on copper surfaces. The SAMs have been examined by a series of techniques, including contact angle (CA), atomic force microscope (AFM), scanning electronic microscope (SEM), and electrochemical measurements. The results suggest that the two derivatives adsorb onto the copper surface and generate corresponding hydrophobic films, which play an important role in the anticorrosion of copper in 3% NaCl solution. Quantum chemical calculations and molecular dynamics (MD) simulation are also used for further insight into the adsorption mechanism.
机译:两种新的席夫基础衍生物,2 - ((4-(4-(二甲基氨基)styryl)苯基咪啶氨基氨氨基)及其中间体4-(4-氨基苯甲基)-N,N-二甲基苯胺(和),形式 铜表面上的自组装单层(SAMS)。 已经通过一系列技术检查了SAM,包括接触角(CA),原子力显微镜(AFM),扫描电子显微镜(SEM)和电化学测量。 结果表明,两种衍生物吸附在铜表面上并产生相应的疏水薄膜,这在3%NaCl溶液中的铜的防腐中起重要作用。 量子化学计算和分子动力学(MD)模拟也用于进一步了解吸附机制。

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  • 来源
    《RSC Advances》 |2015年第19期|共10页
  • 作者单位

    Chongqing Univ Sch Chem &

    Chem Engn Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Chem &

    Chem Engn Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Chem &

    Chem Engn Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Chem &

    Chem Engn Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Chem &

    Chem Engn Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Chem &

    Chem Engn Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Chem &

    Chem Engn Chongqing 400044 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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